IL111480A0 - Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams - Google Patents

Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams

Info

Publication number
IL111480A0
IL111480A0 IL11148094A IL11148094A IL111480A0 IL 111480 A0 IL111480 A0 IL 111480A0 IL 11148094 A IL11148094 A IL 11148094A IL 11148094 A IL11148094 A IL 11148094A IL 111480 A0 IL111480 A0 IL 111480A0
Authority
IL
Israel
Prior art keywords
detector array
computed tomography
reconstruction method
tomography apparatus
helical scanning
Prior art date
Application number
IL11148094A
Other versions
IL111480A (en
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of IL111480A0 publication Critical patent/IL111480A0/en
Publication of IL111480A publication Critical patent/IL111480A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL11148094A 1993-11-08 1994-11-01 Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector apray employing overlapping beams IL111480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/151,456 US5469486A (en) 1992-08-07 1993-11-08 Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams

Publications (2)

Publication Number Publication Date
IL111480A0 true IL111480A0 (en) 1995-01-24
IL111480A IL111480A (en) 1998-10-30

Family

ID=22538848

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11148094A IL111480A (en) 1993-11-08 1994-11-01 Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector apray employing overlapping beams

Country Status (4)

Country Link
US (1) US5469486A (en)
JP (1) JP3682308B2 (en)
DE (1) DE4438988A1 (en)
IL (1) IL111480A (en)

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DE19545291A1 (en) * 1995-02-27 1996-08-29 Klein Hans Martin Spiral field detector computer tomography
JP2914891B2 (en) * 1995-07-05 1999-07-05 株式会社東芝 X-ray computed tomography apparatus
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
DE19711963C2 (en) * 1996-05-02 2000-04-13 Siemens Ag Process for image reconstruction in a computer tomograph
JP4163767B2 (en) * 1996-05-02 2008-10-08 シーメンス アクチエンゲゼルシヤフト Image reconstruction method for computer tomography apparatus
DE19623271C2 (en) * 1996-05-31 2002-06-13 Peter Maas Process for three-dimensional computed tomography
DE19626095C2 (en) * 1996-06-28 2001-02-08 Siemens Ag Computer tomograph
US5708691A (en) * 1996-07-05 1998-01-13 Kabushiki Kaisha Toshiba X-ray computed tomographic imaging device and x-ray computed tomographic method
IL119033A0 (en) * 1996-08-07 1996-11-14 Elscint Ltd Multi-slice detector array
US5802134A (en) * 1997-04-09 1998-09-01 Analogic Corporation Nutating slice CT image reconstruction apparatus and method
US6298112B1 (en) * 1998-07-01 2001-10-02 Ge Medical Systems Global Technology Co. Llc Methods and apparatus for helical multi-frame image reconstruction in a computed tomography fluoro system including data communications over a network
US6038278A (en) * 1998-07-01 2000-03-14 Hsieh; Jiang Method and apparatus for helical multi-frame image reconstruction in a computed tomography fluoro system
DE19854947B4 (en) * 1998-11-27 2005-01-05 Siemens Ag Image reconstruction method for a spiral CT device and spiral CT device for performing such a method
DE19927953A1 (en) * 1999-06-18 2001-01-11 Siemens Ag X=ray diagnostic apparatus
US6256365B1 (en) * 1999-08-16 2001-07-03 Analogic Corporation Apparatus and method for reconstruction of images in a computed tomography system using oblique slices
DE19953613A1 (en) * 1999-11-08 2001-05-17 Siemens Ag Computer tomography apparatus
US6339632B1 (en) 1999-12-23 2002-01-15 Ge Medical Systems Global Technology Company, Llc Multi slice single filtering helical weighting method and apparatus to use the same
FR2819141B1 (en) * 2000-12-29 2008-10-24 Chabunda Christophe Mwanza SOURCE DEVICE PRODUCING A DOUBLE SIMULTANEOUS BEAM OF ISOSPECTRAL X-RAYS
WO2003051201A2 (en) * 2001-12-14 2003-06-26 Wisconsin Alumni Research Foundation Virtual spherical anode computed tomography
US6597756B1 (en) * 2002-06-19 2003-07-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
FR2849250B1 (en) * 2002-12-23 2005-05-13 Commissariat Energie Atomique METHOD FOR RECONSTRUCTING A RADIOGRAPHIC IMAGE BY COMBINING RECORDING VIGNETTES
US8306179B2 (en) * 2010-01-28 2012-11-06 Weinberg Medical Physics Llc Reconstruction of linearly moving objects with intermitten X-ray sources

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540099A (en) * 1976-01-21 1979-02-07 Emi Ltd Radiography
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
US4442489A (en) * 1979-06-16 1984-04-10 U.S. Philips Corporation Device for computed tomography
US4352021A (en) * 1980-01-07 1982-09-28 The Regents Of The University Of California X-Ray transmission scanning system and method and electron beam X-ray scan tube for use therewith
GB2088670B (en) * 1980-11-26 1984-10-10 Philips Nv Radiation absorption distribution measurement in a part section of body
US4888693A (en) * 1987-04-01 1989-12-19 General Electric Company Method to obtain object boundary information in limited-angle computerized tomography
US4965726A (en) * 1988-10-20 1990-10-23 Picker International, Inc. CT scanner with segmented detector array
IL90521A0 (en) * 1989-06-04 1990-01-18 Elscint Ltd Dual slice scanner
US5216601A (en) * 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning
US5253171A (en) * 1990-09-21 1993-10-12 General Electric Company Parallel processing method and apparatus based on the algebra reconstruction technique for reconstructing a three-dimensional computerized tomography (CT) image from cone beam projection data
US5396528A (en) * 1991-06-28 1995-03-07 General Electric Company Tomographic image reconstruction using cross-plane rays
US5241576A (en) * 1991-12-23 1993-08-31 General Electric Company Segmented detector containing sub-elements for separate measuring of a fan beam
US5291402A (en) * 1992-08-07 1994-03-01 General Electric Company Helical scanning computed tomography apparatus
US5377250A (en) * 1992-08-07 1994-12-27 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array
US5400377A (en) * 1993-07-16 1995-03-21 General Electric Company Artifact reduction method for tomographic image reconstruction using cross-plane rays

Also Published As

Publication number Publication date
DE4438988A1 (en) 1995-05-11
JP3682308B2 (en) 2005-08-10
IL111480A (en) 1998-10-30
US5469486A (en) 1995-11-21
JPH07194590A (en) 1995-08-01

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Legal Events

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KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees